GATE CS 2025 Set 1 — Question 12

MCQ+1 / -0.33EasySymbol TablesSemantic AnalysisCompiler Design

Compiler Design → Semantic Analysis → Symbol Tables

Last updated 5 September 2026

Question

Which ONE of the following statements is FALSE regarding the symbol table?

Correct answer (C) Symbol table is not required after the parsing phase. Solution The symbol table is a data structure used by the compiler to store information about identifiers (variables, functions, etc.). (A) True: It tracks scope information. (B) True: It can be implemented using Hash Tables, BSTs, etc. (C) False : The symbol table is heavily used during Semantic Analysis (type checking) and Code Generation phases, which occur after parsing. (D) True: Entries are often created during lexical analysis when tokens are identified. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (C) Symbol table is not required after the parsing phase. Solution The symbol table is a data structure used by the compiler to store information about identifiers (variables, functions, etc.). (A) True: It tracks scope information. (B) True: It can be implemented using Hash Tables, BSTs, etc. (C) False : The symbol table is heavily used during Semantic Analysis (type checking) and Code Generation phases, which occur after parsing. (D) True: Entries are often created during lexical analysis when tokens are identified.

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